.eslintrc.json

{
    "parserOptions": {
      "ecmaVersion": 2018
    },
    "env": {
      "es6": true,
      "amd": true,
      "mocha": true,
      "node": true
    },
    "extends": [
      "eslint:recommended",
      "airbnb-base",
      "plugin:prettier/recommended"
    ],
    "rules": {
      // mimic airbnb, but at 80 characters instead of 100
      "max-len": [
        "error",
        80,
        2,
        {
          "ignoreUrls": true,
          "ignoreComments": false,
          "ignoreRegExpLiterals": true,
          "ignoreStrings": true,
          "ignoreTemplateLiterals": true
        }
      ],
      // Allow console.log, but prevent weird console shenanigans
      "no-console": "off",
      "no-restricted-syntax": [
        "error",
        {
          "selector": "CallExpression[callee.object.name='console'][callee.property.name!=/^(log|warn|error|info|trace)$/]",
          "message": "Unexpected property on console object was called"
        }
      ]
    }
  }